Physics questions and answers

Physics Questions and Answers

If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.

1,026.

Which of the following statements is true of nuclear fission?

A.

Heavy nuclei combine to form new element

B.

Protons are used in bombarding heavy nucleus

C.

The sum of the masses of the products is greater than the mass of the original substance

D.

Two light nuclei are made to combine to form a heavy nucleus

E.

Very large amount of energy is released.

Correct answer is E

No explanation has been provided for this answer.

1,027.

The temperature at which the water vapour present in the air is just enough to saturate the air is the _______ point.

A.

boiling

B.

critical

C.

dew

D.

ice

E.

steam

Correct answer is C

No explanation has been provided for this answer.

1,028.

Calculate the magnitude of the electric field intensity in vacuum at a distance of 25cm from a charge of 5 × 10-3C. [Take 1/4πε0]

A.

7.2 × 108NC-1

B.

1.8 × 108NC-1

C.

5.6 × 108NC-1

D.

3.6 × 108NC-1

E.

1.5 × 106NC-1

Correct answer is A

No explanation has been provided for this answer.

1,030.

Which of the following is NOT an example of a percussion instrument?

A.

Bell

B.

Drum

C.

Flute

D.

Gong

E.

Xylophone

Correct answer is C

No explanation has been provided for this answer.